package ArrayList;

import java.util.ArrayList;
import java.util.List;

public class Practice {
    //去除str1 包含 str2的部分
    public static List<Character> func(String str1,String str2) {
        List<Character> list = new ArrayList<>();

        for (int i = 0; i < str1.length(); i++) {
            char ch = str1.charAt(i);
            if(!str2.contains(ch+"")) {
                list.add(ch);
            }
        }

        return list;
    }

    public static void main(String[] args) {
        String str1 = "welcome to bytedance";
        String str2 = "come";
        List<Character> list = func(str1,str2);
        for(char ch : list) {
            System.out.print(ch);
        }
    }
}
